National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Reedsville / Mifflin (KRVL)

Lat: 40.68°NLon: 77.63°WElev: 820ft.

A Few Clouds

86°F

30°C

Humidity 49%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Heat Index88°F (31°C)
Last update 29 Jun 4:55 pm EDT
Extended Forecast for

Millheim PA

Extreme Heat Watch July 1, 12:00pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Light southwest wind.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Heat index values as high as 102. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Light west wind.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Calm wind.
Tuesday
Mostly sunny, with a high near 91. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Light southwest wind.
Wednesday
Sunny and hot, with a high near 94. Heat index values as high as 102. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. Light west wind.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 72.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millheim PA
 40.89°N 77.46°W (Elev. 1099 ft)
Last Update:
2:21 pm EDT Jun 29, 2026
Forecast Valid:
5pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation